#255C55#255C55

#255C55 is a dark, muted teal. Relative luminance 0.087; OKLCH L 43.6% C 0.059 H 184.1°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#255C55
RGB	rgb(37, 92, 85)
HSL	hsl(172, 43%, 25%)
HSV	hsv(172, 60%, 36%)
CMYK	cmyk(59.8%, 0%, 7.6%, 63.9%)
CIE-LAB	lab(35.41, -19.99, -1.44)
CIE-LCH	lch(35.41, 20.04, 184.11°)
OKLab	oklab(43.58% -0.059 -0.0042)
OKLCH	oklch(43.58% 0.059 184.1)
XYZ	xyz(6.2291, 8.7029, 9.9441)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255C55 #5C252C

analogous

#255C3A #255C55 #25475C

triadic

#255C55 #55255C #5C5525

tetradic

#255C55 #3A255C #5C252C #475C25

square

#255C55 #3A255C #5C252C #475C25

split-complementary

#255C55 #5C2547 #5C3A25

monochromatic

#091614 #13302D #255C55 #37887D #48B3A6

Accessibility & contrast

On white

7.66

#255C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#255C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255C55

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255C55	#FFFFFF	#000000	##FFFFFF
##255C55	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585755

Deuteranopia (green-blind)

#4F5156

Tritanopia (blue-blind)

#005E5A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #255c55;
/* rgb */ color: rgb(37, 92, 85);
/* oklch */ color: oklch(43.6% 0.059 184.1);

Tailwind

colors: {
  custom: {
    50: '#668a84',
    500: '#255c55',
    950: '#000000',
  },
}

SCSS

$custom: #255c55;
$custom-light: #668a84;
$custom-dark: #000000;

JSON

{
  "hex": "#255c55",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 85
  },
  "hsl": {
    "h": 172.364,
    "s": 42.636,
    "l": 25.294
  },
  "oklch": {
    "l": 0.43581,
    "c": 0.05911,
    "h": 184.1
  },
  "luminance": 0.08703
}

Semantic roles & 50–950 ramp

primary

#255C55

secondary

#8F4D56

accent

#5565D2

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#060C0B

muted

#7A7D7C

Preview Lab

Preview with #255C55

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →